Class: Ferret::Utils::StringHelper::StringReader

Inherits:
Object
  • Object
show all
Defined in:
lib/ferret/utils/string_helper.rb

Overview

Methods for manipulating strings.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(str) ⇒ StringReader

Returns a new instance of StringReader.



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# File 'lib/ferret/utils/string_helper.rb', line 8

def initialize(str)
  @str = str
  @pointer = 0
  @length = @str.length
end

Instance Attribute Details

#length ⇒ Object (readonly)

Returns the value of attribute length.



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# File 'lib/ferret/utils/string_helper.rb', line 6

def length
  @length
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/ferret/utils/string_helper.rb', line 26

def close() str = nil end

#read(len = nil) ⇒ Object 



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# File 'lib/ferret/utils/string_helper.rb', line 14

def read(len = nil)
  return @str if len.nil?

  return nil if @pointer > @length

  res = @str[@pointer, len]
  @pointer += len
  return res
end

#reset ⇒ Object 



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# File 'lib/ferret/utils/string_helper.rb', line 24

def reset() @pointer = 0 end